Headboard



FIG. 1 is a front elevational view of a headboard, showing my new design;

FIG. 2 is a front, left side perspective view of the design, and the front, right side perspective view is a mirror image;

FIG. 3 is a partial cross-sectional view at A-A in FIG. 1; and,

FIG. 4 is a right side view of the design, and the left side view is the mirror image;

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a headboard, as shown and described. 